17778819980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52290647}}^1$

素因数の和:52290673

約数の個数: 24

約数和(自身を含む): 39531729888

約数和(自身を除く): 21752909908

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 52290647, 104581294, 209162588, 261453235, 522906470, 888940999, 1045812940, 1777881998, 3555763996, 4444704995, 8889409990, 17778819980]

約数ペア:

[(1, 17778819980), (2, 8889409990), (4, 4444704995), (5, 3555763996), (10, 1777881998), (17, 1045812940), (20, 888940999), (34, 522906470), (68, 261453235), (85, 209162588), (170, 104581294), (340, 52290647)]